Home / 2,162.10-2,983.29-1,565.55

Finding the Fourth Proportional to 2,162.10, 2,983.29 and 1,565.55

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Solution

The fourth proportional to 2,162.10, 2,983.29 and 1,565.55 is: 2,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.10 : 2,983.29 = 1,565.55 : x
  2. Step 2: Convert to fraction form
    2,162.10/2,983.29 = 1,565.55/x
  3. Step 3: Cross multiply
    2,162.10x = 2,983.29 × 1,565.55
  4. Step 4: Simplify right side
    2,162.10x = 4,670,489.66
  5. Step 5: Solve for x
    x = 4,670,489.66/2,162.10
  6. Step 6: Final answer
    x = 2,160.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.